html {
  font-size: 14px;
}
body {
  padding: 0;
  margin: 0;
  background-color: #eeeeee;
  font-family: "Consolas", "微软雅黑", "Heiti";
  overflow: hidden;
  user-select: none;
  max-width: 450px;
}
body > * {
  max-width: 450px;
}
h1 {
  margin: 0;
  padding: 0;
  font-weight: normal;
}
.hidden {
  display: none !important;
}
.title {
  padding: 1rem 5%;
  background: steelblue;
  color: white;
  margin-bottom: 2rem;
  box-shadow: 0 0.2rem 0.3rem #303030;
}
.container {
  padding-left: 5%;
}
.row > span {
  cursor: pointer;
  display: inline-block;
  text-align: center;
  font-size: 24px;
  padding: 0;
  margin: 0;
  width: 10%;
  height: 24px;
  line-height: 24px;
  border-color: #888888;
  border-style: solid;
  border-width: 0;
  border-top-width: 1px;
  border-left-width: 1px;
  background-color: white;
}
.row > span.fixed {
  color: #999999;
}
.row > span.empty {
  color: transparent;
}
.row > span.mark1 {
  background: lightblue;
}
.row > span.mark2 {
  background: lightgreen;
}
.row > span.error {
  background: lightpink;
}
.row > span.col_g_left {
  border-left-width: 1px;
}
.row > span.col_g_right {
  border-right-width: 1px;
}
.row > span:first-child {
  border-left-width: 2px;
}
.row > span:last-child {
  border-right-width: 2px;
}
.row.row_g_top > span {
  border-top-width: 1px;
}
.row.row_g_bottom > span {
  border-bottom-width: 1px;
}
.row:first-child > span {
  border-top-width: 2px;
}
.row:last-child > span {
  border-bottom-width: 2px;
}
.dashboard {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1rem 0;
  background: steelblue;
  box-sizing: border-box;
  box-shadow: 0 -0.1rem 0.2rem #303030;
  height: 3rem;
}
.dashboard .buttons {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}
.dashboard .buttons button {
  font-family: "Consolas", "微软雅黑", "Heiti";
  float: left;
  width: 25%;
  height: 3rem;
  font-size: 1.3rem;
  color: white;
  background: transparent;
  border: 1px solid #cccccc;
  border-right-width: 0;
}
.dashboard .buttons button:last-child {
  border-right-width: 1px;
}
.popup-num {
  position: fixed;
  display: inline-block;
  top: 100px;
  left: 120px;
  box-shadow: 0.2rem 0.3rem 0.4rem #303030;
  border: 1px solid white;
  color: white;
}
.popup-num div > span {
  background: steelblue;
  width: 48px;
  height: 48px;
  line-height: 48px;
  font-size: 24px;
  border-color: white;
}
.popup-num div > span.mark {
  color: transparent;
}
